As Rocky and Adam work on developing hybrid plants for Botany class, Rocky's plant exhibits weird behavior, growing rapidly and developing an appetite for metal.

A mysterious musician in Angel Grove High is pursued by Prince Sprocket and King Mondo.

Tanya and Adam are exploring the new world of cyberspace with the help of Raymond, a computer whiz, at school. When they run into a computer virus, Mondo gets the idea to create Mean Screen, a horrible computer monster that will infect all of the computers in Angel Grove.

As Billy is returning from Aquitar in a space capsule, Machina and Mondo attack his space craft, sending it into the gravitational pull of the Machine Skybase.

On a journey to find True of Heart, Tommy comes upon the incredible discovery of a young man who looks just like him.

Searching for the other half of an arrowhead, Tommy discovers its owner is his brother.

Having kidnapped Tommy's newfound brother David, King Mondo blackmails Tommy into giving up his half of the arrowhead, in order to set David free.

Now that he has both halves of the arrowhead, King Mondo vows to destroy the Zeo Rangers, while continuing to refuse the release of Tommy's brother.

King Mondo sends down the Defector robot to trick the Zeo Rangers into gaining their trust, and thereby able to destroy them.

Adam experiences a nightmarish scenario when the Machine Empire invades Earth overnight and transforms many of Adam's friends into sinister scientists, werewolves, and dark forces.

Bulk's infatuation with the daughter of a high ranking officer soon puts both his, Skull's, and Lt. Stone's careers in jeopardy.

Tanya's potential new singing career divides her time between fulfilling an ambition and serving as a Ranger

King Mondo attempts to rule the Earth's waterways by building a fleet of ships under an invisible field.

King Mondo's plan to divide and conquer the Zeo Rangers is spoiled by the appearance of the Gold Ranger.

The other Rangers must find a way to help their friends when Prince Sprocket shrinks Tommy and Katherine and places them in a terrarium with a hungry spider.

Katherine competes in a surfing competition, but faces danger when the Leaky Faucet monster puts toxic Cog oil in all the water in Angel Grove.

The Somnibot casts a sleeping spell on the people of Angel Grove, leaving it to the Gold Ranger to break the spell.

The Gold Ranger finds asylum in the Power Chamber from the evil Mondo, Machina, and the Varox bounty hunter.

When the Gold Ranger is attacked by Varox Bounty Hunters, Pyramidas is hit, and falls into the seas of the planet Aquitar.

Time is running out for transference of the Golden Powers.

King Mondo is determined to use the Damocles Sword to destroy the Zeo Rangers.

The teens are helping Ernie set up for his new Beach Club when a group of tough teens ride in and begin to trash the place.

The teens are involved in a charity fashion show for the famous designer, Mr. Stenchy.

Aisha sends Tanya a map of Mysterio Island, the island on which Tanya suspects her parents have been missing for years.

When Katherine stages a ballet about King Midas, Louie Kaboom creates the Midas Hound, an idol that changes everything into gold.